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Show the structure of a disaccharide in Haworth projection with two D-glucose units connected with a...
Glucose generally exists in ring (cyclic) form. A Haworth projection shows the orientations of the hydroxyl...
Glucose generally exists in ring (cyclic) form. A Haworth projection shows the orientations of the hydroxyl groups and hydrogen atoms on the ring. Draw the alpha and beta forms of glucose by moving the groups (H, OH, or CH2OH) to the appropriate positions.
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives...
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives a positive Benedict's test; make sure to circle the part of the structure that is responsible for the reaction with Benedict's reagent. [5pts) Haworth Projection: (2.5 points) Hemiacetal circled / indicated (2.5 points) CARBOHYDRATES POST-LAB QUESTIONS CONT'D 24. When Benedict's reagent reacts with a reducing sugar, it oxidizes the aldehyde functional group to a carboxylic acid. As seen in the figure below: only a...
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of...
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1+6) linkage. Draw the structure of mannobiose. CHO HO -Н HO -H H- -ОН Н. -OH CH2OH b) Prepare the following compound from the starting material given and any necessary organic and/or inorganic reagents: from benzene and 1-propanol as the only source of carbon.
3) Draw the disaccharide that is formed when the following two mon joined by a B...
3) Draw the disaccharide that is formed when the following two mon joined by a B (1-3) glycosidic linkage. (2 pts) two monosaccharides are CH₂OH онон - он снон, 9 w OH 3 OH CH, OH OH OH OR 0 Y 4) Consider the disaccharide sophorose, a product of the caramelization of glucose, answer the following questions: CH,OH Мон OH ОН a) Classify the glycosidic linkage as a or B, and use the numbers to designate its location. (1 pt)...
Question 2 (1 point) The Fisher projection below is equivalent to which Haworth structure if the...
Question 2 (1 point) The Fisher projection below is equivalent to which Haworth structure if the anomer formed is beta? CHO HO— 1 th 우 HI CH2OH CH OH OHA OH Он O2) CH2OH —о о ОН 3) CH,OH - О ОН ОН O4) CH OH ОН ОН ОН ОН
Convert the Fischer projection to the Haworth projection of the B-furanose form by moving the substituents...
Convert the Fischer projection to the Haworth projection of the
B-furanose form by moving the substituents to the appropriate
positions. The anomeric carbon is shown.
Convert the Fischer projection to the Haworth projection of the B-furanose form by moving the substituents to the appropriate positions. The anomeric carbon is shown. CH2OH =0 HO—C—H Cyclization H-¢-OH Answer Bank CH OH H—¢-OH CH,OH CH2OH
C. Polysaccharides Drawings Haworth: cellulose using three B-D-glucose monosaccharides Haworth: two a-D-glucose monosaccharides connected with an...
C. Polysaccharides Drawings Haworth: cellulose using three B-D-glucose monosaccharides Haworth: two a-D-glucose monosaccharides connected with an o-1,6 glycosidic linkage Identify the instructor-prepared model of a polysaccharide as cellulose or amylose. Describe the feature(s) that support your answer. Cellulose
Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection...
Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection of D-fructose Haworth (cyclic) formula for C-D-fructose Fischer projection of D-galactose Haworth (cyclic) formula for a-D-galactose Questions and Problems Q.1 How does the structure of D-glucose compare to the structure of D-galactose?
Draw the following molecules (two dimensional representations; stereochemical view not required): Three glucose (Haworth projection) disaccharides...
Draw the following molecules (two dimensional representations; stereochemical view not required): Three glucose (Haworth projection) disaccharides linked as follows: (i) alpha-1,4-glycosidic bond; (ii) alpha-1,6-glycosidic bond; (iii) beta-1,4-glycosidic bond.
27. a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of...
27. a) Mannobiose is a disaccharide of two units of D-mannose,
shown below. Mannobiose consists of a a(1®6) linkage. Draw the
structure of mannobiose.
b) Prepare the following compound from the starting material given
and any necessary organic and/or inorganic reagents:
from benzene and 1-propanol as the only source of carbon.
27. a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1-6) linkage. Draw the structure of mannobiose. CHO НО. H HO -H...
Glucose generally exists in ring (cyclic) form. A Haworth projection shows the orientations of the hydroxyl groups and hydrogen atoms on the ring. Draw the alpha and beta forms of glucose by moving the groups (H, OH, or CH2OH) to the appropriate positions.
CARBOHYDRATES POST-LAB QUESTIONS CONT'D 23.Draw the Haworth structure of lactose and explain why this disaccharide gives a positive Benedict's test; make sure to circle the part of the structure that is responsible for the reaction with Benedict's reagent. [5pts) Haworth Projection: (2.5 points) Hemiacetal circled / indicated (2.5 points) CARBOHYDRATES POST-LAB QUESTIONS CONT'D 24. When Benedict's reagent reacts with a reducing sugar, it oxidizes the aldehyde functional group to a carboxylic acid. As seen in the figure below: only a...
27 a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1+6) linkage. Draw the structure of mannobiose. CHO HO -Н HO -H H- -ОН Н. -OH CH2OH b) Prepare the following compound from the starting material given and any necessary organic and/or inorganic reagents: from benzene and 1-propanol as the only source of carbon.
3) Draw the disaccharide that is formed when the following two mon joined by a B (1-3) glycosidic linkage. (2 pts) two monosaccharides are CH₂OH онон - он снон, 9 w OH 3 OH CH, OH OH OH OR 0 Y 4) Consider the disaccharide sophorose, a product of the caramelization of glucose, answer the following questions: CH,OH Мон OH ОН a) Classify the glycosidic linkage as a or B, and use the numbers to designate its location. (1 pt)...
Question 2 (1 point) The Fisher projection below is equivalent to which Haworth structure if the anomer formed is beta? CHO HO— 1 th 우 HI CH2OH CH OH OHA OH Он O2) CH2OH —о о ОН 3) CH,OH - О ОН ОН O4) CH OH ОН ОН ОН ОН
Convert the Fischer projection to the Haworth projection of the
B-furanose form by moving the substituents to the appropriate
positions. The anomeric carbon is shown.
Convert the Fischer projection to the Haworth projection of the B-furanose form by moving the substituents to the appropriate positions. The anomeric carbon is shown. CH2OH =0 HO—C—H Cyclization H-¢-OH Answer Bank CH OH H—¢-OH CH,OH CH2OH
C. Polysaccharides Drawings Haworth: cellulose using three B-D-glucose monosaccharides Haworth: two a-D-glucose monosaccharides connected with an o-1,6 glycosidic linkage Identify the instructor-prepared model of a polysaccharide as cellulose or amylose. Describe the feature(s) that support your answer. Cellulose
Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection of D-fructose Haworth (cyclic) formula for C-D-fructose Fischer projection of D-galactose Haworth (cyclic) formula for a-D-galactose Questions and Problems Q.1 How does the structure of D-glucose compare to the structure of D-galactose?
27. a) Mannobiose is a disaccharide of two units of D-mannose,
shown below. Mannobiose consists of a a(1®6) linkage. Draw the
structure of mannobiose.
b) Prepare the following compound from the starting material given
and any necessary organic and/or inorganic reagents:
from benzene and 1-propanol as the only source of carbon.
27. a) Mannobiose is a disaccharide of two units of D-mannose, shown below. Mannobiose consists of a a(1-6) linkage. Draw the structure of mannobiose. CHO НО. H HO -H...
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